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EP 4 288 776 A1

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(43) Date of publication: 13.12.2023 Bulletin 2023/50 (21) Application number: 22710780.2 (22) Date of filing: 04.02.2022

(51) International Patent Classification (IPC):  G01N 33/533(2006.01) G01N 33/53(2006.01) (52) Cooperative Patent Classification (CPC): G01N 33/533; G01N 33/5306 (86) International application number: PCT/US2022/015296 (87) International publication number: WO 2022/170084 (11.08.2022 Gazette 2022/32)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 05.02.2021 US 202163146498 P (71) Applicant: Beckman Coulter, Inc. Brea, CA 92821 (US)

(72) Inventors: MONSONIS, Frederic Brea, CA 92821 (US) SAN, Boi, Hoa Brea, CA 92821 (US) EASWARAN, Arunkumar Brea, CA 92821 (US) TOMASULO, Massimiliano Brea, CA 92821 (US) GULNIK, Sergei Brea, CA 92821 (US) VENKATESCH, Rajesh Brea, CA 92821 (US) SRINIVASAN, Shiva, Ranjini Brea, CA 92821 (US) (74) Representative: Boult Wade Tennant LLP  Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)